package top.huntwolf.admin.utils;

import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public class HttpClientUtil {

    public static String doGet(String url, Map<String,String> param){
        CloseableHttpClient httpClient = HttpClients.createDefault();

        String result = "";
        CloseableHttpResponse response = null;
        try {
            URIBuilder builder = new URIBuilder(url);
            if (param!=null){
                for (String key : param.keySet()) {
                    builder.addParameter(key,param.get(key));
                }
            }

            URI uri = builder.build();
            HttpGet httpGet = new HttpGet(uri);

            response = httpClient.execute(httpGet);

            if (response.getStatusLine().getStatusCode() == 200){
                result = EntityUtils.toString(response.getEntity(),"UTF-8");
            }

        }catch (Exception e){
            e.printStackTrace();
        }finally {
            try {
                if (response != null){
                    response.close();
                }
            }catch (IOException e){
                e.printStackTrace();
            }
        }
        return result;
    }

    public static String doGet(String url){
        return doGet(url,null);
    }

    public static String doPost(String url,Map<String,String> param) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        CloseableHttpResponse response = null;

        String result = "";

        try {
            HttpPost httpPost = new HttpPost(url);
            if (param != null) {
                List<NameValuePair> paramList = new ArrayList<>();
                for (String key : param.keySet()) {
                    paramList.add(new BasicNameValuePair(key, param.get(key)));
                }

                //模拟表单
                UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList);
                httpPost.setEntity(entity);
            }

            response = httpClient.execute(httpPost);
            result = EntityUtils.toString(response.getEntity(), "UTF-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (response != null) {
                    response.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        return result;
    }

    public static String doPost(String url){
        return doPost(url,null);
    }
}
